#include<iostream>
using namespace std;
#include<string>
#define MAX 1000

//设计联系人结构体
struct Person
{
	//姓名
	string m_Name;
	//性别
	int m_Sex;
	//年龄
	int m_Age;
	//电话
	string m_Phone;
	//住址
	string m_Addr;
};

//设计通讯录结构体
struct Addressbooks
{
	//通讯录中保存的联系人数组
	struct Person personArray[MAX];
	
	//通讯录中当前记录的联系人个数
	int m_Size;
};


//1.添加联系人
void addPerson(Addressbooks * abs)
{
	//判断通讯录是否已满，如果满了就不再添加
	if(abs->m_Size == MAX)
	{
		cout << "通讯录已满，无法添加!" << endl;
		return;
	}
	else
	{
		//添加具体联系人
		//姓名
		string name;
		cout << "请输入姓名:" << endl;
		cin >> name;
		abs->personArray[abs->m_Size].m_Name = name;
		
		//性别
		cout << "请输入性别:" << endl;
		cout << "1 --- 男:" << endl;
		cout << "2 --- 女:" << endl;
		int sex = 0;
		
		while(true)
		{
			//如果输入的是1或者2可以退出循环，因为输入的是正确值
			//如果输入有误，重新输入
			cin >> sex;
			if(sex == 1 || sex == 2)
			{
				abs->personArray[abs->m_Size].m_Sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		
		//年龄
		cout << "请输入年龄:" << endl;
		int age = 0;
		cin >> age;
		abs->personArray[abs->m_Size].m_Age = age;
		
		//电话
		cout << "请输入联系电话:" << endl;
		string phone;
		cin >> phone;
		abs->personArray[abs->m_Size].m_Phone = phone;
		
		//住址
		cout << "请输入家庭住址:" << endl;
		string address;
		cin >> address;
		abs->personArray[abs->m_Size].m_Addr = address;
		
		//更新通讯录人数
		abs->m_Size++;
		
		cout << "添加成功" << endl; 
		
		system("pause");  //请按任意键继续
		system("cls");  //清屏操作
	}
};


//2.显示所有联系人
void showPerson(Addressbooks * abs)
{
	//判断通讯录中人数是否为0，如果为0，提示记录为空
	//如果不为0，显示记录的联系人信息
	if(abs->m_Size == 0)
	{
		cout << "当前记录为空" << endl;
	}
	else
	{
		for(int i = 0;i < abs->m_Size;i++)
		{
			cout << "姓名："  << abs->personArray[i].m_Name << "\t";
			cout << "性别："  << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "\t";
			cout << "年龄："  << abs->personArray[i].m_Age << "\t";
			cout << "电话："  << abs->personArray[i].m_Phone << "\t";
			cout << "住址："  << abs->personArray[i].m_Addr << endl;
		}
	}
	
	system("pause");  //按任意键继续
	system("cls");  //清屏
};


//检测联系人是否存在，如果存在，返回联系人所在数组中的具体位置，不存在返回-1
//参数1  通讯录  参数2  对比姓名
int isExist(Addressbooks * abs, string name)
{
	for(int i = 0;i < abs->m_Size;i++)
	{
		if(abs->personArray[i].m_Name == name)
		{
			return i;
		}
	}
	return -1;  //如果遍历结束都没有找到，返回-1
}

//3.删除指定联系人
void deletePerson(Addressbooks * abs)
{
	cout << "请输入您要删除的联系人:" << endl;
	
	string name;
	cin >>name;
	
	//ret == -1  未查到
	//ret != -1  查到了
	int ret = isExist(abs, name);
	
	if(ret != -1)
	{
		//查找到人，要执行删除操作
		for(int i = ret;i < abs->m_Size;i++)
		{
			//数据前移
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->m_Size--;  //更新通讯录中的人员数
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	
	system("pause");
	system("cls");
}

//4.查找指定联系人信息
void findPerson(Addressbooks * abs)
{
	cout << "请输入您要查找的联系人:" << endl;
	string name;
	cin >> name;
	
	//判断指定的联系人是否存在于通讯录中
	int ret = isExist(abs, name);
	
	if(ret != -1)  //找到联系人
	{
		cout << "姓名：" << abs->personArray[ret].m_Name << "\t";
		cout << "性别：" << (abs->personArray[ret].m_Sex == 1 ? "男" : "女") << "\t";
		cout << "年龄：" << abs->personArray[ret].m_Age << "\t";
		cout << "电话：" << abs->personArray[ret].m_Phone << "\t";
		cout << "住址：" << abs->personArray[ret].m_Addr << endl;
	}
	else  //未找到联系人
	{
		cout << "查无此人" << endl;
	}
	
	//任意键按下后 清屏
	system("pause");
	system("cls");
}


//5.修改指定联系人信息
void modifyPerson(Addressbooks * abs)
{
	cout << "请输入您要修改的联系人:" << endl;
	string name;
	cin >> name;
	
	int ret = isExist(abs, name);
	if(ret != -1)  //找到指定联系人
	{
		//姓名
		string name;
		cout << "请输入姓名:" << endl;
		cin >> name;
		abs->personArray[ret].m_Name = name;
		
		//性别
		cout << "请输入性别:" << endl;
		cout << "1 --- 男" << endl;
		cout << "2 --- 女" << endl;
		int sex = 0;
		
		while(true)
		{
			cin >> sex;
			if(sex == 1 || sex == 2)
			{
				//输入正确 退出循环输入
				abs->personArray[ret].m_Sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		
		//年龄
		cout << "请输入年龄:" << endl;
		int age = 0;
		cin >> age;
		abs->personArray[ret].m_Age = age;
		
		//电话
		cout << "请输入联系电话:" << endl;
		string phone;
		cin >> phone;
		abs->personArray[ret].m_Phone = phone;
		
		//住址
		cout << "请输入家庭住址:" << endl;
		string address;
		cin >> address;
		abs->personArray[ret].m_Addr = address;
		
		cout << "修改成功!" << endl;;
	}
	else  //未找到联系人
	{
		cout << "查无此人" << endl;
	}
	
	//按任意键后清屏
	system("pause");
	system("cls");
}
void cleanPerson(Addressbooks * abs)
{
	abs->m_Size = 0;  //将当前记录联系人数量重置为0 ，做逻辑清空操作
	cout << "通讯录已清空" << endl;
	//按任意键后清屏
	system("pause");
	system("cls");
}
//6.清空所有联系人

//1.菜单界面
void showMenu()
{
	cout << "**************************" << endl;
	cout << "*****  1.添加联系人  *****" << endl;
	cout << "*****  2.显示联系人  *****" << endl;
	cout << "*****  3.删除联系人  *****" << endl;
	cout << "*****  4.查找联系人  *****" << endl;
	cout << "*****  5.修改联系人  *****" << endl;
	cout << "*****  6.清空联系人  *****" << endl;
	cout << "*****  0.退出通讯录  *****" << endl;
	cout << "**************************" << endl;
}

int main()
{
	
	//创建通讯录结构体变量
	Addressbooks abs;
	//通讯录中当前人员个数
	abs.m_Size = 0;
	
	int select = 0;  //创建用户选择输入的变量
	
	while(true)
	{
		//菜单调用
		showMenu();
		
		cin >> select;
		
		switch(select)
		{
			case 1:  //1.添加联系人
				addPerson(&abs);  //利用地址传递，可以修饰实参
				break;
			case 2:  //2.显示联系人
				showPerson(&abs);
				break;
			case 3:  //3.删除联系人
			//{
			//	cout << "请输入删除联系人姓名:" << endl;
			//	string name;
			//	cin >> name;
			//	
			//	if(isExist(&abs, name) == -1)
			//	{
			//		cout << "查无此人" << endl;
			//	}
			//	else
			//	{
			//		cout << "找到此人" << endl;
			//	}
			//}
				deletePerson(&abs);
				break;
			case 4:  //4.查找联系人
				findPerson(&abs);
				break;
			case 5:  //5.修改联系人
				modifyPerson(&abs); 
				break;
			case 6:  //6.清空联系人
				cleanPerson(&abs);
				break;
			case 0:  //0.退出通讯录
				cout << "欢迎下次使用" << endl;
				system("pause");
				return 0;
				break;
			default:
				break;
		}
	}
	
	system("pause");
	
	return 0;
}